1 Product Information
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Symbol Interface Name Function Description
D1
AC drive communication
status indicator
(green)
See
"Table 1-2 Description of indicators on
the MD500-EN1 card".
D4
Ethernet/IP operation
status indicator
(green)
D7
Ethernet/IP fault indicator
(red)
◆
After the MD500-EN1 card is installed, J4 is on the left and J6 is on the
right when you face the RJ45 interface. The two interfaces are direction-
insensitive. Connect either of them to the PLC.
◆
The Cat5e shielded twisted pair (STP) network cable is recommended for
operational stability.
Table 1-2 Description of indicators on the MD500-EN1 card
Indicator State Description Solution
D1 steady green Normal N/A
D1 steady o
Abnormal communication
with the AC drive
Check whether FD-00 and FD-01 is set to 9
and 3 respectively.
D4 steady o
D7 steady red
System fault
Check the following fault codes and
solutions.
D4 steady o
D7 ashing red
Waiting for obtaining IP
address
The DHCP server assigns an IP address
to the device by using BOOTP when the
expansion card is in DHCP mode.
D4 ashing green
D7 ashing red
Disconnection or timeout
Check whether the network cable is
disconnected and the master station is
running.
D4 ashing green
D7 steady o
Waiting for connecting to
the master station
Check whether the network cable
connection is normal and the master
station is running.
D4 steady green
D7 steady o
Normal connection N/A
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